1. Act of seceding; departure; the body founded by the Seceders.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• decesion,
• seccesion,
• decession,
• secssion,
• seassion,
• percession,
• siession,
• sequession,
• selestion,
• secissions,
• sesesion,
• sesssion,
• secission,
• pocession,
• decestion,
• resession,
• sucsession,
• seccession,
• sucessions,
• decission

• secessionism,
• secessionist,
• succession,
• sezession.

The adjective form of the word "secession" is "secessionist".

The plural of the "secession" can be the "secessions".

The singular of the "secession" can be the "secession".